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Titanium 6-5-0.5 vs. ACI-ASTM CN3M Steel

Titanium 6-5-0.5 belongs to the titanium alloys classification, while ACI-ASTM CN3M steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-5-0.5 and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 6.7
34
Fatigue Strength, MPa 530
150
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 1080
500
Tensile Strength: Yield (Proof), MPa 990
190

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 4.2
13
Thermal Expansion, µm/m-K 9.4
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 41
31
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 33
5.9
Embodied Energy, MJ/kg 540
80
Embodied Water, L/kg 180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
130
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 67
17
Strength to Weight: Bending, points 52
17
Thermal Diffusivity, mm2/s 1.7
3.4
Thermal Shock Resistance, points 79
11

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
20 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
42.4 to 52.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.75
4.5 to 5.5
Nickel (Ni), % 0
23 to 27
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 85.6 to 90.1
0
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0